NDMP Restoration success but no files restored

Hi experts,

I have got an issue with NDMP restoration. ( Netbtackup  6.0 , Sun Storage NAS 5320 )

I have few tapes which were having 2009 year data, when I am trying to restore the data and the tape was properly mounted and positioned, read, everything seems to fine.

The restoration says successful, But I could not find any files in the destination folder. No mater How many times I try to restore the result is same. i have checked for the

I have done reboots,  tape inventory , and power cycle also, But no luck.

Is there any thing that could solve my issue.

Awaiting for your valuble replies

Cheers

Albatross